Details Details PDF BIBTEX RIS Title The calculation of discrete states probability of systemwith four units of harvesting techniques Journal title ECONTECHMOD Yearbook 2014 Numer No 4 Authors Kovalchyk, Yu. ; Govda, O. Divisions of PAS Nauki Techniczne Publisher Lviv Polytechnic National University ; Foundry Research Institute in Cracow ; Polish Academy of Sciences Branch in Lublin Identifier ISSN 2084–5715 <div class="test"></div>